#!/usr/bin/env python
# -*- coding: utf-8 -*-
#===============================================================================
# Copyright 2011 zod.yslin
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# 
# Author: zod.yslin
# Email: 
# File Name: stack.py
# Description: 
#   stack(), it is also possible to access all of the stack frames from the
#   current frame to the first caller.
#   
# See Also:
#   currentframe.py
# Edit History: 
#   2011-11-03    File created.
#===============================================================================
import inspect

# it waits until reaching the end of the recursion to print the stack information.
def recurse(limit):
    local_variable = '.' * limit
    if limit <= 0:
        for frame, filename, line_num, func, source_code, source_index in inspect.stack():
            print '%s[%d]\n  -> %s' % (filename, line_num, source_code[source_index].strip())
            print inspect.getargvalues(frame)
            print
        return
    recurse(limit - 1)
    return

if __name__ == '__main__':
    recurse(3)
